17904276

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 49553504

約数和(自身を除く): 31649228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 67, 78, 117, 134, 156, 201, 234, 268, 402, 468, 571, 603, 804, 871, 1142, 1206, 1713, 1742, 2284, 2412, 2613, 3426, 3484, 5139, 5226, 6852, 7423, 7839, 10278, 10452, 14846, 15678, 20556, 22269, 29692, 31356, 38257, 44538, 66807, 76514, 89076, 114771, 133614, 153028, 229542, 267228, 344313, 459084, 497341, 688626, 994682, 1377252, 1492023, 1989364, 2984046, 4476069, 5968092, 8952138, 17904276]

約数ペア:

[(1, 17904276), (2, 8952138), (3, 5968092), (4, 4476069), (6, 2984046), (9, 1989364), (12, 1492023), (13, 1377252), (18, 994682), (26, 688626), (36, 497341), (39, 459084), (52, 344313), (67, 267228), (78, 229542), (117, 153028), (134, 133614), (156, 114771), (201, 89076), (234, 76514), (268, 66807), (402, 44538), (468, 38257), (571, 31356), (603, 29692), (804, 22269), (871, 20556), (1142, 15678), (1206, 14846), (1713, 10452), (1742, 10278), (2284, 7839), (2412, 7423), (2613, 6852), (3426, 5226), (3484, 5139)]